def sayHappy(name):
    print("Happy Birthday,"+ name)
def sayHello(name):
    print("Good days,"+ name)
def meet(name,say):
    print("You meet "+ name)
    say(name)
meet('zhang',sayHappy)
meet('zhang',sayHello)

'''
You meet zhang
Happy Birthday,zhang
You meet zhang
Good days,zhang
'''
